*{
    margin: 0;
    padding: 0;
    text-decoration: none;
    color: black;
    list-style: none;
    outline: none;
}
body{
    height: 3000px;
}
header{
    width: 1353px;
    height: 42px;
    background-color: #f7f7f7;
    margin: 0 auto;
    position: relative;
}
.header_mengceng{
    width: 1353px;
    height: 42px;
    position: absolute;
    transition: .5s;
}
nav{
    width: 1353px;
    height:78px;
    background-color: rgb(255, 255, 255);
    margin: 0 auto;
    position: relative;
}

header li{
    list-style: none;
    float: left;
    padding-top: 10px;
}
header li:nth-of-type(1){
    padding-left: 840px;
}
header li a{
    text-decoration: none;
    font-size: 12px;
    font-weight: bold;
    color: #120c10;
    padding-left:12px;
}
header li:nth-of-type(3) .iconfont{
    padding-left: 5px;
}
header li:nth-of-type(4) .iconfont{
   font-size: 13px;
}
.logo{
    width: 140px;
    padding-top: 17px;
    padding-left: 15px;
    float: left;
}
.nav_box{
    width: 520px;
    height: 61px;
    background-color: rgb(255, 255, 255);
    float: left;
    display: flex;
    list-style: none;
    justify-content:space-around;
    align-items: center;
    margin-left:40px;
    margin-top: 13px;
}
.nav_box li{
    border-radius: 15px;
    width: 100px; 
    text-align: center;
    height: 25px;
    transition: .5s;
}
.nav_box a{
    text-decoration: none;
    font-size: 12px;
    color: #120c10;
    font-weight: bold;
}
nav input{
    width: 220px;
    height: 35px;
    border: 0;
    margin-left: 245px;
    margin-top: 30px;
    background:url(../images/搜索.gif) no-repeat 180px;
    border-radius: 20px;
    border: 1px solid grey;

}
.denglu{
    float: right;
    padding-top: 30px;
    padding-right: 10px;
    
}
.denglu a{
    font-weight: bold;
}
.denglu .iconfont{
    padding-right: 20px;
    font-size: 24px;

}
.erjihaha{
    width: 1353px;
    height: 0px;
    background-color: #120c10;
    position: relative;
    margin: 0 auto;
}
.zhineng_erji{
    position: absolute;
    left: 0;
    top: 0;
    width: 1353px;
    background-color: rgb(255, 255, 255);
    z-index:10;
    transition: .6s;
    overflow: hidden;
}
.fuzhu{
    width: 100%;
    height: 20px;
    position: absolute;
    left: 0;
    bottom: -10px;
    z-index: 20;
}
.zhineng_erji div section:nth-of-type(1){
    width: 260px;
    height: 100%;
    background-color: rgb(255, 255, 255);
    float: left;
}
.zhineng_erji div section:nth-of-type(1) li{
    padding-top: 20px;
    padding-left: 20px;
    transition: .3s;
}
.zhineng_erji div section:nth-of-type(1) li b{
    float: right;
    display: none;
}
.on{
    display: block;
}
.zhineng_erji div section:nth-of-type(1) li:nth-of-type(1){
    padding-bottom: 10px;
    font-size: 30px;
    font-weight: bold;
}
.zhineng_erji div section:nth-of-type(2){
    width: 595px;
    height: 100%;
    background-color: rgb(255, 255, 255);
    float: left;
    border-right: 1px solid #000;
}
.zhineng_erji div section:nth-of-type(2) p{
    width: 200px;
    height: 300px;
}
.zhineng_erji div section:nth-of-type(3){
    width: 496px;
    height: 100%;
    float: left;
    position: relative;
    background-color: white;
}
.zhineng_erji div section:nth-of-type(3) img{
    padding-top: 90px;
    padding-left: 75px;
    width: 300px;
    position: absolute;
    transition: .3s;
}
.zhineng_erji div section:nth-of-type(3) li{
    padding-left: 90px;
    padding-top: 20px;
}
.zhineng_erji div section:nth-of-type(3) li:nth-of-type(1){
    padding-top: 480px;
}
.zhineng_erji div section:nth-of-type(3) li:nth-of-type(1){
    font-size: 26px;
}
.zhineng_erji div{
    width: 100%;
    height: 100%;
}
.off{
    display: none;
}
.guanBi{
    position: absolute;
    width: 50px;
    height: 50px;
    right: 15px;
    top: 15px;
    font-size: 33px;
    z-index: 1;
    border: 0;
    background-color:transparent ;
    transition: .3s;
}
.guanBi:hover{
   font-weight: bold;
   transform:rotate(180deg)
}
.erjiYouBian ul li{
    margin-top: 20px;
    background-color: rgb(255, 255, 255);
    margin-left: 20px;
}
.erjiYouBian ul li:nth-of-type(1){
    margin-top: 90px;
}
.wei_zhi_biao_shi{
    width:1355px;
    height: 67px;
    background-color: #f7f7f7;
    margin: 0 auto;
}
.wei_zhi_biao_shi li{
    float: left;
    padding-left:20px;
    line-height: 67px;
}
.wei_zhi_biao_shi li:last-child{
    font-weight: bold;
}
.shang_pin_xuan_ze{
    width: 1355px;
    height: 225px;
    background-color: rgb(204, 167, 118);
    margin: 0 auto;
    overflow: hidden;
}
.shang_pin_xuan_ze-main{
    width: 1228px;
    height: 139px;
    margin-top: 36px;
    margin-left: 64px;
}
.shang_pin_xuan_ze-main section{
    width: 1228px;
    height: 33%;
    background-color: rgb(192, 247, 247);
    float: left;
    border-bottom: 1px solid black;
    
}
.shang_pin_xuan_ze-main section:nth-of-type(1) li:nth-of-type(1){
    width: 45px;
    height: 38px;
    background-color: rgb(255, 255, 255);
}
.shang_pin_xuan_ze-main section:nth-of-type(1) li{
    float: left;
    width:200px;
    height: 38px;
    border: 1px solid black;
    margin-right: 30px;
    text-align: center;
    line-height: 38px;
    border-radius: 20px;
}
.shang_pin_xuan_ze-main section:nth-of-type(2) li:nth-of-type(1){
    width: 45px;
    height: 38px;
    background-color: rgb(255, 255, 255);
}
.shang_pin_xuan_ze-main section:nth-of-type(2) li{
    float: left;
    width:80px;
    height: 38px;
    border: 1px solid black;
    margin-right: 30px;
    margin-top: 3px;
    text-align: center;
    line-height: 38px;
    border-radius: 20px;
}
.shang_pin_xuan_ze-main section:nth-of-type(3) li:nth-of-type(1){
    width: 45px;
    height: 38px;
    background-color: rgb(255, 255, 255);
}
.shang_pin_xuan_ze-main section:nth-of-type(3) li{
    float: left;
    width:100px;
    height: 38px;
    border: 1px solid black;
    margin-right: 30px;
    margin-top: 3px;
    text-align: center;
    line-height: 38px;
    border-radius: 20px;
}
.shang_pin_xuan_ze-main section:nth-of-type(3) input{
    width: 90px;
    height: 30px;
    border-radius: 20px;
}
.sahng_pin_zhan_shi{
    width: 1356px;
    height: 1026px;
    margin: 0 auto;
    overflow: hidden;
    background-color: #f7f7f7;
}
.sahng_pin_zhan_shi_main{
    width: 1269px;
    height: 867px;
    margin-top: 50px;
    margin-left: 43px;
}
.sahng_pin_zhan_shi_main section{
    width: 298px;
    height: 408px;
    background-color: rgb(255, 255, 255);
    float: left;
    margin: 9px;
    text-align: center;
    border-radius:25px;
    transition: .2s;
}
.sahng_pin_zhan_shi_main section:hover{
    box-shadow: 0px 0px 17px black;
}
.sahng_pin_zhan_shi_main section li:nth-of-type(1){
    margin-top: 70px;
}
.sahng_pin_zhan_shi_main section li:nth-of-type(2){
    display: flex;
    justify-content:center;
    margin-top: 40px;
}
.sahng_pin_zhan_shi_main section li:nth-of-type(2) div{
    width: 28px;
    height: 28px;
    border-radius: 50%;
    margin: 10px;
    position: relative;
    border: 1px solid transparent;
}
.sahng_pin_zhan_shi_main section li:nth-of-type(2) div:hover{
    border: 1px solid black;
}
.sahng_pin_zhan_shi_main section li:nth-of-type(2) div:nth-of-type(1) section{
    width: 20px;
    height: 20px;
    position: absolute;
    border-radius: 50%;
    left: -5px;
    top: -5px;
}
.sahng_pin_zhan_shi_main section li:nth-of-type(2) div:nth-of-type(2) section{
    width: 20px;
    height: 20px;
    position: absolute;
    border-radius: 50%;
    left: -5px;
    top: -5px;
}
.sahng_pin_zhan_shi_main section li:nth-of-type(2) div:nth-of-type(3) section{
    width: 20px;
    height: 20px;
    position: absolute;
    border-radius: 50%;
    left: -5px;
    top: -5px;
}
.sahng_pin_zhan_shi_main section li:nth-of-type(3){
    margin-bottom:25px;
    box-sizing: border-box;
    padding:  0 19px;
} 
.swiper {
    width: 130px;
    height: 130px;
  }
.swiper-slide {
    text-align: center;
    font-size: 18px;
    background: #fff;
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
  }
  .swiper-slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .sahng_pin_zhan_shi_b{
      width: 100%;
      height: 80px;
      background-color: #f7f7f7;
      display: flex;
      justify-content: center;
      align-items: center;
  }
  .sahng_pin_zhan_shi_b li{
      margin: 10px;
  }
.search{
    box-sizing: border-box;
    padding-left: 10px;
    font-size: 17px;
}
.search:hover{
    border:1px solid rgb(42, 42, 141);
}
.navErji{
    width: 400px;
    height: auto;
    background-color:transparent;
    border: 1px solid black;
    position: absolute;
    right: 0;
    top: 80px;
    border-radius:10px;
    overflow: hidden;
    z-index: 2;
    
}
.closs{
    position: absolute;
    right: 10px;
    top: 0;
}
.zhedang{
    width: 400px;
    height: 200px;
    background-color: transparent;
    position: absolute;
    right: 0;
    top: 80px;
    

}

.navErjiChild{
    width: 100%;
    height: 100px;
    background-color: rgb(231, 231, 231);
    float: left;
    font-size: 10px;
    display: flex;
    
   
   
}
.navErjiChild li{
    width:280px;
    display: flex;
    justify-content: space-between;
}
.gougou{
    float: right;
    
}
.navErjiChild li{
    padding: 5px 5px;
}
.navChildAll{
    width: 100%;
    height: 90px;
    background-color: aliceblue;
    float: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    
}
.jieSuan{
    width: 120px;
    height: 50px;
    background-color: rgb(34, 103, 252);
    text-align: center;
    line-height: 50px;
    border-radius: 20px;
    color: white;
    font-weight: bold;
    margin-right: 20px;
}
.navChildAll li{
    padding: 7px 20px;
}

